THE CUPOLA. 73 



ture ; but the others are omitted. You see, 

 also, the places for the doors and windows. 



I must stop here long enough to say that 

 unlike what is seen in almost all ordinary 

 dwellings the doors and windows of the 

 house I live in are in the cupola : there is 

 not one door in either the first or second story. 

 The windows, and some of the doors, are 

 placed in front the rest of the doors at the 

 sides. The doors and windows themselves, 

 as you know, properly belong to the covering. 

 They will therefore be described under that 

 head. 



I have called the mouth and ears and nos- 

 trils doors, to keep up the figure ; and also, 

 because these are, in fact, the principal ave- 

 nues to the human soul, except the eyes ; but 

 these may, with the greatest propriety, be re- 

 garded as windows. All sound, smell, taste, 

 &c. come to us through these passages, and 

 the machinery or organs near and within them. 

 Why then may they not properly be called 

 doors ? 



THE CRANIUM. At the beginning of this 

 chapter, I showed you a picture of the bones of 

 7 



